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浏览/检索结果: 共8条,第1-8条 帮助

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Experimental study on physical and mechanical characteristics of rock-concrete combined body under complex stress conditions 期刊论文  OAI收割
CONSTRUCTION AND BUILDING MATERIALS, 2022, 卷号: 324, 页码: 14
作者:  
Zhao, Yu;  Shen, Mingxuan;  Bi, Jing;  Wang, Chaolin;  Yang, Yongtao
  |  收藏  |  浏览/下载:57/0  |  提交时间:2022/04/11
Oxidative Stress in Dairy Cows: Insights into the Mechanistic Mode of Actions and Mitigating Strategies 期刊论文  OAI收割
ANTIOXIDANTS, 2021, 卷号: 10, 期号: 12, 页码: 1918
作者:  
Ayemele,Aurele Gnetegha;  Tilahun,Mekonnen;  Sun,Lingling;  Elsaadawy,Samy Abdelaziz;  Guo,Zitai
  |  收藏  |  浏览/下载:20/0  |  提交时间:2022/04/02
Community reestablishment and poor body conditions of small mammal assemblages in subtropical afforested ecosystems 期刊论文  OAI收割
ECOLOGICAL ENGINEERING, 2019, 卷号: 135, 页码: 1-7
作者:  
Wu, Nan;  Zhong, Jie;  Lei, Boyu;  Xie, Zongqiang;  Zhou, Youbing
  |  收藏  |  浏览/下载:25/0  |  提交时间:2022/01/06
Postpartum oestrous cycling resumption of yak cows following different calf weaning strategies under range conditions 期刊论文  OAI收割
ANIMAL SCIENCE JOURNAL, 2018, 卷号: 89, 期号: 10, 页码: 1492-1503 
作者:  
Ding, LM (Ding, Luming);  Liu, PP (Liu, Peipei);  Dong, QM (Dong, Quanmin);  Liu, SJ (Liu, Shujie);  Degen, A (Degen, Allan)
  |  收藏  |  浏览/下载:46/0  |  提交时间:2019/05/21
Effect of weaning strategy on performance, behaviour and blood parameters of yak calves (Poephagus grunniens) 期刊论文  OAI收割
RANGELAND JOURNAL, 2018, 卷号: 40, 期号: 3, 页码: 263-270
作者:  
Liu, PP (Liu, Peipei);  Liu, SJ (Liu, Shujie);  Degen, A (Degen, Allan);  Qiu, Q (Qiu, Qiang);  Dong, QM (Dong, Quanmin)
  |  收藏  |  浏览/下载:37/0  |  提交时间:2019/06/25
Habitat segregation between two congeneric and introduced goby species 期刊论文  OAI收割
FUNDAMENTAL AND APPLIED LIMNOLOGY, 2012, 卷号: 181, 期号: 3, 页码: 241-251
作者:  
Guo, Zhiqiang;  Liu, Jiashou;  Lek, Sovan;  Li, Zhongjie;  Ye, Shaowen
收藏  |  浏览/下载:30/0  |  提交时间:2013/01/09
Three-sample rotation vector algorithm with angular rate input (EI CONFERENCE) 会议论文  OAI收割
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
作者:  
Zhang Y.
收藏  |  浏览/下载:21/0  |  提交时间:2013/03/25
In order to research the attitude algorithm with angular rate input under the conical motion  a optimal threesample rotation vector algorithm based on single-step Newton backward interpolation is proposed. Using the principle of limited rigid body rotation and the characteristic of angular rate input  three-sample rotation vector algorithm is derivated. To minimum attitude errors  three-sample rotation vector algorithm is optimized. Three angular rate extraction methods of singlestep entire sample recursion  multi-step entire sample and singlestep Newton backward interpolation are proposed. Under the condition of conical motion with semi-cone angle 3 and angular frequency 2rad/s  simulation is done. The simulation results show that single-step Newton backward interpolation is superior to the other two methods  and its maximum error peak is 0.01  error drift rate is 0.036/h. Experiments in three-axis flying turntable with the same parameters are carried out  and the results show that error drift rates of three-channels are less than those of traditional quaternion  which are 13.53%  12.08% and 23.68% lower respectively. It also verified that the new algorithm can perform a high accuracy under the conical motion. 2011 IEEE.  
Food limitation and low-density populations of sympatric hamster species in north china 期刊论文  iSwitch采集
Contributions to zoology, 2009, 卷号: 78, 期号: 2, 页码: 65-75
作者:  
Xiong, Wenhua;  Liang, Hong;  Yu, Xiaohui;  Cong, Lin;  Zhang, Zhibin
收藏  |  浏览/下载:29/0  |  提交时间:2019/05/10